https://thenextweb.com/contributors/2018/06/10/googles-enterprise-ambition-is-the-reason-behind-gmails-redesign/

The recent redesign of Gmail is exciting news and has been a long time coming. While Gmail has looked pretty much the same for years, it hasn’t gotten in the way of its growth. Well over a billion people worldwide now rely on Gmail for their email and the service continues to expand rapidly.

The majority of those who use Gmail for personal email may not be aware of how aggressively Google has been targeting and gaining traction in the enterprise space, and that they have successfully converted millions of businesses to G Suite and corporate Gmail.